Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nitta Isami and Sakazume Takenari,Frictional Properties of DLC films in Plane Contact due to Reciprocal Micro-Sliding,Tribology Online,18812198,Japanese Society of Tribologists,2009,4,3,66-69,https://cir.nii.ac.jp/crid/1390282680245189376,https://doi.org/10.2474/trol.4.66